buffer, iconic memory (for images), and echoic memory (for sounds).
The process from sensory input to recognized objects probably goes through several stages. In the first phase, features are extracted or analyzed to give a rough sketch. This feature analysis has been called data-driven or bottom-up processing because the stimulus must be analyzed into features or components and assembled into a meaningful pattern “from the bottom up.”
Example: a capital letter A consists of 2 relatively straight lines…
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